Lead Android Developer (Kotlin + Java Backend Integration)

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US · On-site Contract Lead Yesterday

About the role

Job Summary

We are seeking an experienced Lead Android Developer with deep expertise in Kotlin and strong proficiency in Java-based backend integrations. The ideal candidate will lead the design and development of scalable, high-performance Android applications while mentoring team members and driving technical excellence. This role requires close collaboration with cross-functional teams including backend, product, and QA to deliver robust mobile solutions.

Key Responsibilities

Lead the design, development, and deployment of advanced Android applications using Kotlin
Architect scalable and maintainable mobile solutions aligned with business goals
Integrate Android applications with Java backend systems and RESTful APIs
Collaborate with backend teams on API design, optimization, and security
Provide technical leadership, mentorship, and guidance to junior and mid-level developers
Conduct code reviews and enforce best practices in coding, testing, and documentation
Drive performance tuning, debugging, and optimization of applications
Participate in sprint planning, agile ceremonies, and technical discussions
Ensure application security, scalability, and high availability
Evaluate and recommend new technologies, tools, and frameworks

Required Skills

Strong hands-on experience in Android development using Kotlin
Solid understanding of Java and backend API integration
Experience designing scalable mobile architectures (MVVM, Clean Architecture, etc.)
Proficiency with REST APIs, JSON, and third-party integrations
Strong experience with Git and version control systems
Excellent debugging, performance tuning, and problem-solving skills
Experience working in Agile/Scrum environments